Oops, it doesn't look like 'selfir day' is a national day..

Other days

my little pony

My Little Pony Day
unicorn

Unicorn Day
ormille

Ormille Day
cuddle up

Cuddle Up Day
law

Law Day
cat girl

Cat Girl Day
tulip

Tulip Day
boy friend

Boy Friend Day
pampering

Pampering Day
ride the wind

Ride The Wind Day